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Serga [27]
3 years ago
9

The most abundant elements in the universe are hydrogen and helium, but there are also small but significant amounts of heavier

elements in stars and planets and in our own bodies. Where did these heavy elements originate?
Chemistry
1 answer:
Stells [14]3 years ago
7 0

Answer:

in nuclear fusion deep in the interiors of stars

Explanation:

Nuclear fusion -

It is the type of reaction , where two or more atomic nuclei of the atom merges together to release two or more different nuclei along with some subatomic particles , is referred to as a nuclear fusion reaction .

The reaction can very well be done on stars , because of very high energy .

Hence , a nuclear fusion occurs deep inside the stars .

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5 0
3 years ago
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Helium (He), oxygen (O), carbon (C), and selenium (Se) are all nonmetals. Using the periodic table, which pair of these nonmetal
Lisa [10]
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7 0
4 years ago
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Energy to thermal energy.
sergiy2304 [10]

A hair dryer converts "electrical energy" to "thermal energy".

Option: C

<u>Explanation</u>:

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3 0
3 years ago
Is corrosion of aluminum metal a chemical or physical process
nadya68 [22]
Corrosion of aluminium metal is a chemical process. Corrosion happens when a certain chemical reaction takes place.
8 0
3 years ago
What volume of sample, in mL, would be needed to make 2 mL of a 5-fold dilution? (3 significant figures needed)
natulia [17]

Answer:

0.400 mL

Explanation:

Hello, the dilution factor (in folds) is given by:

folds=\frac{total_{volume}}{sample_{volume}}

Thus, the sample volume with three significant figures is given by:

sample_{volume}=\frac{2mL}{5"folds"}=0.400 mL

Best regards.

5 0
3 years ago
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